<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title>倒三角形</title>
		<script type="text/javascript">
			var str = '';
			var blank = '';
			for(var i = 1; i <= 10; i++) {
				for(var j = i; j <= 10; j++) {
					str += '★'
				}
				
				str += '\n'
			}
			console.log(str)
		</script>
	</head>
	<body>
	</body>
</html>
